Licorice: The extract from licorice root is naturally high in glabridin, a chemical compound that inhibits tyrosinase, the enzyme that kick-starts the discoloration process.

Glycolic acid: This chemical exfoliator removes the outer layer of dead skin cells, bringing fresh, new skin to the surface. Most over-the-counter skin care treatments usually have six to 10 percent glycolic acid. Chemical peels, which should be applied by professionals, have concentrations ranging from 20 to 70 percent.

Vitamin E: An antioxidant well known for its soothing properties, vitamin E protects against the sun's damaging rays while moisturizing and healing skin cells.